Request Username:	You have the option to request a unique username with user accounts. If set to "No" users e-mail is used for all login options.
New Registration Options	Instant Access - No verification. Admin Only Approval - Admin must approve account Admin Approval or Verification - User must click on verification link within e-mail. Or admin can approve.
Expiration Warning e-Mail:	Set in number of days to send account soon to expire e-mail.
Sub / User Group Expiration Warning e-Mail:	Set in number of days to send sub/user group expiration warning e-mail.
Maximum # of IP Adresses	Set the number of unique IP addresses a single login can use within a 24 hour period. If exceeded account is set to inactive, administrator notified by e-mail.
Membership Types:	Click the Membership Types link to be taken to manage registration types / options.